CN104291878B - A kind of unfired brick structure of once-firing crystallite glass composite plate - Google Patents
A kind of unfired brick structure of once-firing crystallite glass composite plate Download PDFInfo
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- CN104291878B CN104291878B CN201410491292.3A CN201410491292A CN104291878B CN 104291878 B CN104291878 B CN 104291878B CN 201410491292 A CN201410491292 A CN 201410491292A CN 104291878 B CN104291878 B CN 104291878B
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Abstract
A kind of unfired brick structure of once-firing crystallite glass composite plate, described unfired brick structure includes green body layer, ground glaze layer and glass ceramics frit layer from bottom to top, being additionally provided with water-repellent layer between described green body layer and described ground glaze layer, described glass ceramics frit layer is that the crystallite frit particle suspension liquid being mixed into by glass ceramics frit granule and frit granule agglomerant imposes on ground glaze layer surface and formed; Described frit granule agglomerant includes the mass fraction of following components: cellulose thickener 5.5-6.5%, white carbon 2.5-3.2%, and defoamer is 1.1-1.4%, and dispersant is 1.2-1.8%, and surplus is solvent. Using this kind of adobe, the glass ceramics frit granule on surface will not be preheated the blower fan of band and take away when burning till, thus avoiding waste and reducing the ratio of defects of crystallite glass composite plate product.
Description
Technical field
The present invention relates to a kind of architectural pottery technical field, particularly relate to the unfired brick structure of a kind of once-firing crystallite glass composite plate.
Background technology
Since the application of crystallite glass composite plate technology maturation, its Technology development is innovated, and product, also due to it has the decorative effect that penetrating crystallite frit granule is personalized, becomes the high-grade ornament materials on market, deeply liked by consumers in general.
The unfired brick structure of the crystallite glass composite plate of once-firing includes green body layer and glass ceramics frit layer from bottom to top, glass ceramics frit layer is usually and is made up of glass ceramics frit granule, specifically, by repressed for ceramic powder formation adobe, then at one layer of glass ceramics frit granule of surface material distribution, form glass ceramics frit layer, obtain adobe. It is fired sending in kiln above again, when delivering into kiln, can through the preheating zone of a lower negative pressure, some clothes are easily sucked away due to lighter weight in the fine microcrystalline glass frit granule of the superiors, causing the disappearance having many glass ceramics frit granules on surface layer, it is not high that adobe burns out rear flatness, and has pin hole or dissolution pore to occur, extremely affecting quality and the aesthetic property of crystallite glass composite plate, qualified yield rate is not high.
Summary of the invention
It is an object of the invention to propose the unfired brick structure of the once-firing crystallite glass composite plate that a kind of qualified yield rate is high and flatness is high.
For reaching this purpose, the present invention by the following technical solutions:
A kind of unfired brick structure of once-firing crystallite glass composite plate, described unfired brick structure includes green body layer, ground glaze layer and glass ceramics frit layer from bottom to top, being additionally provided with water-repellent layer between described green body layer and described ground glaze layer, described glass ceramics frit layer is that the crystallite frit particle suspension liquid being mixed into by glass ceramics frit granule and frit granule agglomerant imposes on ground glaze layer surface and formed;
Described frit granule agglomerant includes the mass fraction of following components: cellulose thickener 5.5-6.5%, White Carbon black 2.5-3.2%, defoamer 1.1-1.4%, dispersant 1.2-1.8%, and surplus is solvent.
Preferably, containing mass fraction in the ground glaze layer of above-mentioned adobe is 0.2-0.5% metallic silicon power. Preferably, the particle diameter of metallic silicon power is less than or equal to 100 ��m. By adding metallic silicon power, the micro-pore of a lot of extra fine can be formed when burning till, this slightly pore add the elasticity of ground glaze layer, make it the stress difference better regulating between green body layer and glass-ceramic layer, Reducing distortion. Meanwhile, because ground glaze layer is under frit layer, after burning, it can be enclosed under glass-ceramic layer, on product antifouling property without impact.
Preferably, described water-repellent layer is one layer of hydrophober in described green body layer surface sprinkling, and described hydrophober is organosilicon moisture repellent.
Preferably, the granular size of described glass ceramics frit is 100-200 order.
Preferably, between the glass-ceramic layer that the dilation coefficient of described ground glaze layer is formed after described green body layer and described glass ceramics frit are melted.
Preferably, the solid content of described crystallite frit particle suspension liquid is no less than 65%.
Preferably, described cellulose thickener is at least one in hydroxyethyl cellulose, hydroxyethylmethyl-cellulose and hydroxypropyl methyl cellulose.
Preferably, described dispersant is at least one in sodium polyacrylate, organic-silicon-modified sodium phosphate and sodium hexameta phosphate.
Preferably, described defoamer is polymethyl siloxane.
Preferably, described solvent is at least one in ethylene glycol and ethanol.
The preparation method of above-mentioned once-firing crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: after selecting the base substrate powder of well-known formulations and the micropowder layer powder of granularity��200 order to be divided into cloth, strike out biscuit;
B, sprinkling hydrophober: spray one layer of hydrophober in billet surface;
C, glazing stamp: the biscuit of step B is carried out spray ground-coat enamel, and stamp can be carried out by the mode of one or more combinations in ink-jet printed, roller printing, screen printing;
D, one layer of glass ceramics frit particle suspension liquid of spray: the billet surface in step A sprays one layer of glass ceramics frit particle suspension liquid, described glass ceramics frit particle suspension liquid is mixed by glass ceramics frit and cellulosic binder, described cellulosic binder carrys out proportioning by the mass fraction of following components: cellulose thickener 5.5-6.5%, White Carbon black 2.5-3.2%, defoamer 1.1-1.4%, dispersant 1.2-1.8%, surplus is solvent;
E, burn till: sending into kiln kiln roasting, firing temperature is 1150-1250 DEG C;
F, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain crystallite glass composite plate finished product.
Beneficial effects of the present invention: 1, solve the problem that frit granule is easily sucked away in the face of the preheating zone of lower negative pressure when entering klining, it is to avoid the flaw such as substantial amounts of pin hole and bubble occurs in brick surface, yield rate is high; 2, the fixative used can use under neutral environment, and not metal ion, and the color effects that frit granule is produced when sintering is absent from affecting.
Accompanying drawing explanation
Fig. 1 is the preparation flow schematic diagram of the blank structure of one embodiment of the present of invention;
Fig. 2 is the structural representation of the crystallite glass composite plate burnt till of one embodiment of the present of invention.
Wherein: green body layer 1, water-repellent layer 2, ground glaze layer 3, glass ceramics frit particle suspension liquid layer 4, glass-ceramic layer 5.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with accompanying drawing and by specific embodiment.
Adopt the raw ores such as Anhydrite, clay, Kaolin to carry out dispensing in proportion, through ball milling, deironing, mist projection granulating, sieve, it is thus achieved that base substrate powder.The chemical composition of the base substrate powder formulation adopted in the embodiment of the present invention is (wt%): SiO2:70%, Al2O3:21%, CaO:1%, MgO:2%, K2O:2%, Na2O:3%, Fe2O3:0.5%, TiO2:0.5%. The chemical composition of the micropowder formula adopted is (wt%): for SiO2:68%, Al2O3:18%, Na2O:6%, K2O:5%, TiO2:0.4%, CaO:0.6%, MgO:2%, ball milling pelletize is sieved, it is thus achieved that micropowder material.
The preparation of ground-coat enamel: mix as ground-coat enamel raw material less than the Kaolin of 100 orders, quartz, potash feldspar, albite, calcite, Talcum, dolomite, zinc oxide, zirconium English powder using thickness, add suitable quantity of water and 0.5% sodium tripolyphosphate, 0.3% methylcellulose, entering ball mill ball milling becomes chemical composition to be SiO2:50%, Al2O3:20%, CaO:9%, MgO:2%, K2O:2%, Na2O:3%, ZnO:4%, ZrO2:10%, fineness be 10000-hole sieve more than 0.5% pulpous state ground-coat enamel stand-by.
It should be noted that the preparation of the recipe ingredient of base substrate powder given here, micropowder and ground-coat enamel all can be replaced by other recipe ingredient in known general knowledge, may be applicable in the preparation method of once-firing crystallite glass composite plate of the present invention. Ground-coat enamel acts primarily as covering effect, therefore the cosmetic soil that more options whiteness is higher, between the glass-ceramic layer 5 that dilation coefficient when it burns till is formed after green body layer 1 and glass ceramics frit suspension layers 4 are melted, when burning till, the matching of the thermal coefficient of expansion of glass-ceramic layer 5 and the thermal coefficient of expansion of green body layer affects the quality of crystallite glass composite plate finished product, when the thermal coefficient of expansion of glass-ceramic layer 5 thermal coefficient of expansion big, green body layer 1 is little, brick can present " recessed " shape; When the thermal coefficient of expansion of glass-ceramic layer 5 is little, the thermal coefficient of expansion of green body layer 1 is big, brick body can present " convex " shape, so the ground glaze layer 3 (as shown in Figure 2) added between the glass-ceramic layer 5 that one layer of dilation coefficient is formed after green body layer 1 and glass ceramics frit are melted, it is possible to avoid because green body layer 1 and glass-ceramic layer 5 dilation coefficient differ deformation defect that is relatively big and that cause.
The chemical composition of the formula of the transparent glass-ceramics frit adopted is (wt%): SiO2:63%, Al2O3:10%, Na2O:1.5%, K2O:5%, CaO:3%, MgO:0.2%, ZrO2:0.5%, B2O3:14%, BaO:2.8%, modulate transparent glass-ceramics frit by known general knowledge, cross 100 mesh sieves, be used as the transparent glass-ceramics frit that embodiment group 1 uses.
Embodiment group 1
Preparation-the embodiment 1 of frit granule agglomerant
The component of every 100kg glass ceramics frit granule fixative: hydroxyethyl cellulose (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 5.5kg, White Carbon black 2.5kg, polymethyl siloxane 1.1kg, organic-silicon-modified sodium phosphate 1.7kg, surplus is ethylene glycol.
The preparation method of above-mentioned frit granule agglomerant, comprises the following steps: a) be dissolved in ethylene glycol by hydroxyethyl cellulose, stirs; B) add polymethyl siloxane and organic-silicon-modified sodium phosphate, stir; C) adding White Carbon black and residue ethylene glycol solvent, be uniformly mixing to obtain frit granule agglomerant, surveying its flow velocity is 25.7s (30 DEG C, be coated with-4 glasss). It should be noted that organic-silicon-modified sodium phosphate can use sodium polyacrylate or sodium hexameta phosphate to replace as dispersant also can realize this programme.
Embodiment 1-1
A kind of preparation method once grilling thoroughly bright crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 150 orders) and after micro powder material (fineness is 150 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/2 of end base layer thickness, dry;
B, one layer of water-repellent layer 2 of sprinkling: spray one layer of organosilicon moisture repellent in billet surface;
C, glazing stamp;
D, execute glass ceramics frit particle suspension liquid: the glass ceramics frit granule of 375kg silvery white ice crystal effect (bought from Quincy card Robbie glaze company, fineness 100 order) add in the frit granule agglomerant of the 125kg that embodiment 1 prepares, mix homogeneously, obtain glass ceramics frit particle suspension liquid, glass ceramics frit granule solid content 75%, without visible bubble in bubble, flow velocity is 42.5s (30 DEG C, it is coated with-4 glasss), suspension is placed after 5 days still without lamination, after visible frit granule agglomerant of the present invention and the mixing of glass ceramics frit granule, still there is good stability. being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on ground glaze layer 3 surface, the thickness controlling glass ceramics frit particle suspension liquid is 2mm,
Such as Fig. 1, the unfired brick structure prepared through step A, B, C includes green body layer 1, water-repellent layer 2, ground glaze layer 3 and glass ceramics frit particle suspension liquid layer 4, enters firing process.
E, burn till: sending into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min, burns till the thick finished product of crystallite glass composite plate with green body layer 1, ground glaze layer 3 and glass-ceramic layer 5 as shown in Figure 2.
F, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, the silvery white ice crystal decorative pattern reason formed has seriality and integrity, without macroscopic bubble and pin hole, it is seen that the yield rate of the crystallite glass composite plate of the present invention is high. Being combined in two panels ceramic tile front, what brick face was good is merged closely, and therefore finished product planarization is good, and surface is without the visible pin hole of naked eyes. It should be noted that, the glass ceramics frit granule of the silvery white ice crystal effect that the present embodiment 1-1 selects is sprawled in sintering process, ground glaze layer 3 is formed the effect of silvery white ice crystal flower, glass ceramics frit granule can pass through colour glaze company and buy acquisition, and similar frit product also can realize this programme.
Embodiment 1-2
A kind of preparation method once grilling thoroughly bright crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 150 orders) and after micro powder material (fineness is 150 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/2 of end base layer thickness, dry;
B, glazing stamp;
C, execute glass ceramics frit: the glass ceramics frit granule of 375kg silvery white ice crystal effect (bought from Quincy card Robbie glaze company; fineness 100 order) add in the frit granule agglomerant of the 125kg that embodiment 1 prepares; mix homogeneously; obtain glass ceramics frit particle suspension liquid; glass ceramics frit granule solid content 75%; without visible bubble in bubble; flow velocity is 42.5s (30 DEG C; it is coated with-4 glasss); suspension is placed after 5 days still without lamination, it is seen that frit granule agglomerant of the present invention still has good stability after mixing with glass ceramics frit granule. Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on ground glaze layer surface, the thickness controlling glass ceramics frit particle suspension liquid is 2mm;
D, burn till: sending into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min;
E, rubbing down are processed: polished for goods cool down after burning till edging processing being obtained transparent glass-ceramics composite plate finished product, is combined in two panels ceramic tile front, what brick face was good is merged closely, and therefore well, surface is without the visible pin hole of naked eyes for finished product planarization.
The product observing embodiment 1-1 and embodiment 1-2 from naked eyes is roughly the same in the effect of brick face, but it is mentioned that in process of production, the adobe of embodiment 1-2 is when step B executes glass ceramics frit layer, glass ceramics frit particle suspension liquid portion of water penetrates into and penetrates in the powder layer that biscuit suppresses in frit granule, have impact on the intensity of green compact, adobe moisture content is made to improve, easily crack, when being transported to kiln, adobe is susceptible to fracture, reduce production efficiency, and embodiment 1-1 first can spray one layer of hydrophober in billet surface before executing glass ceramics frit suspension, it is seeped into rapidly inside the base substrate suppressed, and produce dehydration hinge with its inside, reaction conjunctiva, form reaction tension force, the generation of this tension force makes object form not only ventilative together but also hydrophobic, the Folium Nelumbinis hydrophobic effect interface protective layer of waterproof, the moisture making glass ceramics frit particle suspension liquid will not be absorbed by base substrate, ensure that the intensity of green compact, fracture is less likely to occur when conveying or crackle occurs. visible, the use of hydrophober is the committed step improving yield rate.
Comparative example 1-3
The preparation method once grilling thoroughly bright crystallite glass composite plate of prior art, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 150 orders) and after micro powder material (fineness is 150 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/2 of end base layer thickness, dry;
B, glazing stamp;
C, execute glass ceramics frit: the glass ceramics frit granule of the 375kg silvery white ice crystal effect of same embodiment 1-1 (bought from Quincy card Robbie glaze company, fineness 100 order) add in the glue of 125kg, mix homogeneously, obtain glass ceramics frit particle suspension liquid, glass ceramics frit granule solid content 75%, flow velocity is 32.8s (30 DEG C, it is coated with-4 glasss), there is lamination after placing 5 days in suspension, not there is good stability, before using, need stirring and evenly mixing again. Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on green body layer surface, the thickness controlling glass ceramics frit particle suspension liquid is 2mm;
D, burn till: sending into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min;
E, rubbing down are processed: being processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, finished bricks face occurs pin hole, is combined in two panels ceramic tile front during sampling observation, and occasional occurs that the phenomenon in space can be seen in both sides.
Comparative example 1-4
The preparation method once grilling thoroughly bright crystallite glass composite plate of prior art, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 150 orders) and after micro powder material (fineness is 150 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/2 of end base layer thickness, dry;
B, sprinkling hydrophober: spray one layer of organosilicon moisture repellent in billet surface;
C, glazing stamp;
D, execute glass ceramics frit: the glass ceramics frit granule of the 375kg silvery white ice crystal effect of same embodiment 1-1 (bought from Quincy card Robbie glaze company, fineness 100 order) add in the glue of 125kg, mix homogeneously, obtain glass ceramics frit particle suspension liquid, glass ceramics frit granule solid content 75%, flow velocity is 32.8s (30 DEG C, it is coated with-4 glasss), there is lamination after placing 5 days in suspension, not there is good stability, before using, need stirring and evenly mixing again. Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on green body layer surface, the thickness controlling glass ceramics frit particle suspension liquid is 2mm;
E, burn till: sending into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min;
F, rubbing down are processed: being processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, finished bricks face occurs pin hole, is combined in two panels ceramic tile front during sampling observation, and occasional occurs that the phenomenon in space can be seen in both sides.
The difference of comparative example 1-3 and comparative example 1-4 is whether to spray hydrophober, principle effect with the hydrophober told about before is the same, the green strength of comparative example 1-4 is guaranteed, the process be transported to kiln is less likely to occur fracture, yield rate can be improved, guarantee adobe moisture content, it is not easy to crack.
The frit granule agglomerant used in embodiment group 1 is carried out viscosity test, result is shown in table 1 below, kinematic viscosity value ��: measure liquid at 30 DEG C with painting-4 glasss and obtain flow velocity t from the times that the hole outflow of predetermined hole diameter is required, and kinematic viscosity value �� can be drawn by t=0.223 ��+6.0 conversion.
The viscosity contrast of the frit granule agglomerant used in table 1 embodiment 1-1 and comparative example 1-3
| Numbering | Flow velocity/s | Kinematic viscosity value/(mm2/s) | Phenomenon after placing 5 days |
| Embodiment 1-1 | 42.5 | 164.82 | Occur without layering |
| Comparative example 1-3 | 32.8 | 103.45 | Layering occurs |
Comparative example 1-5
The preparation method once grilling thoroughly bright crystallite glass composite plate of prior art, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 150 degree) and after micro powder material (fineness is 150 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/2 of end base layer thickness, dry;
B, glazing stamp;
C, execute glass ceramics frit: the billet surface in step B dispenses the glass ceramics frit of silvery white ice crystal effect, and the thickness dispensing the glass ceramics frit with white ice crystal effect is 2mm;
D, burn till: sending into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min;
E, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain crystallite glass composite plate finished product, finished bricks face occurs pin hole, during sampling observation, is combined in two panels ceramic tile front, space or centre can be seen in finished product substantially both sides can see light, does not have good flatness.
From embodiment 1-2, the use firing the visible frit granule agglomerant of finished product of comparative example 1-3 and comparative example 1-5 is the key factor improving finished product flatness, prior art adopts the viscosity aqueous slurry that is configured to by sodium carboxymethyl cellulose, as the binding agent of glass ceramics frit granule, glass ceramics frit granule plays cementation frit granule agglomerant as used in the present invention, glass ceramics frit granular layer is affected by the suction of preheating zone lower negative pressure when kiln is sent in adobe, portions microcrystalline glass frit granule is sucked away, the thickness of glass ceramics frit granular layer is therefore uneven, have influence on the flatness of finished product, easily there is epirelief or recessed phenomenon in the finished product fired.
Preparation-the embodiment 2 of frit granule agglomerant
The preparation method of the present embodiment and embodiment 1 are basically identical, institute the difference is that, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: hydroxyethylmethyl-cellulose (Dezhou Kang Rong Chemical Co., Ltd.) 6.5kg, White Carbon black 3.2kg, polymethyl siloxane 1.4kg, sodium hexameta phosphate 2.1kg, surplus is ethanol.
A kind of preparation-embodiment 2-1 once grilling thoroughly bright crystallite glass composite plate
A kind of preparation method once grilling thoroughly bright crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 70 orders) and after micro powder material (fineness is 100 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/3 of end base layer thickness, dry;
B, one layer of water-repellent layer 2 of sprinkling: spray one layer of organosilicon moisture repellent in billet surface;
C, glazing stamp;
D, execute glass ceramics frit: (bought from Quincy card Robbie glaze company by 375kg transparent glass-ceramics frit granule; fineness 120-150 order) add in the frit granule agglomerant of the 125kg that embodiment 2 prepares; mix homogeneously; obtain glass ceramics frit particle suspension liquid; glass ceramics frit granule solid content 75%; without visible bubble in bubble; flow velocity is 43.6s (30 DEG C; it is coated with-4 glasss); suspension is placed after 5 days still without lamination, it is seen that frit granule agglomerant of the present invention still has good stability after mixing with glass ceramics frit granule. Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on ground glaze layer 3 surface, the thickness controlling glass ceramics frit particle suspension liquid is 4mm;
Such as Fig. 1, the unfired brick structure prepared through step A, B, C includes green body layer 1, water-repellent layer 2, ground glaze layer 3 and glass ceramics frit particle suspension liquid layer 4, enters firing process.
E, burn till: sending into kiln kiln roasting, firing temperature is 1250 DEG C, firing period 90min; Burn till the thick finished product of crystallite glass composite plate with green body layer 1, ground glaze layer 3 and glass-ceramic layer 5 as shown in Figure 2.
F, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, two panels ceramic tile front is combined, what brick face was good is merged closely, and therefore finished product has good planarization, and surface is without macroscopic pin hole.
The suspension that this method prepares is 43.6s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 171.32mm2/s��
Preparation-the embodiment 3 of frit granule agglomerant
The preparation method of the present embodiment and embodiment 1 are basically identical, institute the difference is that, in the present embodiment, component and the ratio of employing are different. The component of every 100kg frit granule agglomerant: hydroxypropyl methyl cellulose (Dezhou Kang Rong Chemical Co., Ltd.) 6.0kg, White Carbon black 2.8kg, polymethyl siloxane 1.2kg, sodium hexameta phosphate 1.8kg, surplus is ethylene glycol.
A kind of preparation-embodiment 3-1 once grilling thoroughly bright crystallite glass composite plate
A kind of preparation method once grilling thoroughly bright crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 70 orders) and after micro powder material (fineness is 100 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/3 of end base layer thickness, dry;
B, one layer of water-repellent layer 2 of sprinkling: spray one layer of organosilicon moisture repellent in billet surface;
C, glazing stamp;
D, execute glass ceramics frit: (bought from Quincy card Robbie glaze company by 375kg transparent glass-ceramics frit granule; fineness 110-160 order) add in the frit granule agglomerant of the 125kg that embodiment 3 prepares; mix homogeneously; obtain glass ceramics frit particle suspension liquid; glass ceramics frit granule solid content 70%; without visible bubble in bubble; flow velocity is 44.8s (30 DEG C; it is coated with-4 glasss); suspension is placed after 5 days still without lamination, it is seen that frit granule agglomerant of the present invention still has good stability after mixing with glass ceramics frit granule.Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on ground glaze layer 3 surface, the thickness controlling glass ceramics frit particle suspension liquid is 2mm;
Such as Fig. 1, the unfired brick structure prepared through step A, B, C includes green body layer 1, water-repellent layer 2, ground glaze layer 3 and glass ceramics frit particle suspension liquid layer 4, enters firing process.
E, burn till: sending into kiln kiln roasting, firing temperature is 1230 DEG C, firing period 100min; Burn till the thick finished product of crystallite glass composite plate with green body layer 1, ground glaze layer 3 and glass-ceramic layer 5 as shown in Figure 2.
F, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, two panels ceramic tile front is combined, what brick face was good is merged closely, and therefore finished product has good planarization, and surface is without macroscopic pin hole.
The suspension that this method prepares is 44.8s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 170.98mm2/s��
Preparation-the embodiment 4 of frit granule agglomerant
The preparation method of the present embodiment and embodiment 1 are basically identical, institute the difference is that, in the present embodiment, component and the ratio of employing are different. The component of every 100kg frit granule agglomerant: hydroxypropyl methyl cellulose (Dezhou Kang Rong Chemical Co., Ltd.) 3.0kg, hydroxyethyl cellulose 3.4kg, White Carbon black 2.7kg, polymethyl siloxane 1.3kg, sodium polyacrylate 1.9kg, surplus is ethanol.
A kind of preparation-embodiment 4-1 once grilling thoroughly bright crystallite glass composite plate
A kind of preparation method once grilling thoroughly bright crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 90 orders) and after micro powder material (fineness is 120 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/3 of end base layer thickness, dry;
B, one layer of water-repellent layer 2 of sprinkling: spray one layer of organosilicon moisture repellent in billet surface;
C, glazing stamp;
D, execute glass ceramics frit: (bought from Quincy card Robbie glaze company by 375kg transparent glass-ceramics frit granule; fineness 100-170 order) add in the frit granule agglomerant of the 125kg that embodiment 4 prepares; mix homogeneously; obtain glass ceramics frit particle suspension liquid; glass ceramics frit granule solid content 75%; without visible bubble in bubble; flow velocity is 43.2s (30 DEG C; it is coated with-4 glasss); suspension is placed after 5 days still without lamination, it is seen that frit granule agglomerant of the present invention still has good stability after mixing with glass ceramics frit granule. Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on ground glaze layer 3 surface, the thickness controlling glass ceramics frit particle suspension liquid is 3mm;
Such as Fig. 1, the unfired brick structure prepared through step A, B, C includes green body layer 1, water-repellent layer 2, ground glaze layer 3 and glass ceramics frit particle suspension liquid layer 4, enters firing process.
E, burn till: sending into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min; Burn till the thick finished product of crystallite glass composite plate with green body layer 1, ground glaze layer 3 and glass-ceramic layer 5 as shown in Figure 2.
F, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, two panels ceramic tile front is combined, what brick face was good is merged closely, and therefore finished product has good planarization, and surface is without macroscopic pin hole.
The suspension that this method prepares is 43.2s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 169.24mm2/s��
Preparation-the embodiment 5 of frit granule agglomerant
The preparation method of the present embodiment and embodiment 1 are basically identical, institute the difference is that, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: hydroxypropyl methyl cellulose (Dezhou Kang Rong Chemical Co., Ltd.) 2.5kg, hydroxyethylmethyl-cellulose 3.4kg (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.), White Carbon black 2.9kg, polymethyl siloxane 1.2kg, sodium hexameta phosphate 0.8kg, organic-silicon-modified sodium phosphate 1.0kg, surplus is ethanol and ethylene glycol.
A kind of preparation-embodiment 5-1 once grilling thoroughly bright crystallite glass composite plate
A kind of preparation method once grilling thoroughly bright crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 80 orders) and after micro powder material (fineness is 100 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/3 of end base layer thickness, dry;
B, one layer of water-repellent layer 2 of sprinkling: spray one layer of organosilicon moisture repellent in billet surface;
C, glazing stamp;
D, execute glass ceramics frit: (bought from Quincy card Robbie glaze company by 375kg transparent glass-ceramics frit granule; fineness 130-190 order) add in the frit granule agglomerant of the 125kg that embodiment 5 prepares; mix homogeneously; obtain glass ceramics frit particle suspension liquid; glass ceramics frit granule solid content 75%; without visible bubble in bubble; flow velocity is 44.6s (30 DEG C; it is coated with-4 glasss); suspension is placed after 5 days still without lamination, it is seen that frit granule agglomerant of the present invention still has good stability after mixing with glass ceramics frit granule. Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on ground glaze layer 3 surface, the thickness controlling glass ceramics frit particle suspension liquid is 1.5mm;
Such as Fig. 1, the unfired brick structure prepared through step A, B, C includes green body layer 1, water-repellent layer 2, ground glaze layer 3 and glass ceramics frit particle suspension liquid layer 4, enters firing process.
E, burn till: sending into kiln kiln roasting, firing temperature is 1150 DEG C, firing period 150min; Burn till the thick finished product of crystallite glass composite plate with green body layer 1, ground glaze layer 3 and glass-ceramic layer 5 as shown in Figure 2;
F, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, two panels ceramic tile front is combined, what brick face was good is merged closely, and therefore finished product has good planarization, and surface is without macroscopic pin hole.
The suspension that this method prepares is 44.6s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 170.95mm2/s��
Preparation-the embodiment 6 of frit granule agglomerant
The preparation method of the present embodiment and embodiment 1 are basically identical, institute the difference is that, in the present embodiment, component and the ratio of employing are different. The component of every 100kg frit granule agglomerant: hydroxyethylmethyl-cellulose (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 3.0kg, hydroxyethyl cellulose (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 2.6kg, White Carbon black 2.8kg, polymethyl siloxane 1.2kg, sodium hexameta phosphate 1.4kg, sodium polyacrylate 0.6kg, surplus is ethylene glycol and ethanol.
A kind of preparation-embodiment 6-1 once grilling thoroughly bright crystallite glass composite plate
A kind of preparation method once grilling thoroughly bright crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 100 orders) and after micro powder material (fineness is 140 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/3 of end base layer thickness, dry;
B, one layer of water-repellent layer 2 of sprinkling: spray one layer of organosilicon moisture repellent in billet surface;
C, glazing stamp;
D, execute glass ceramics frit: (bought from Quincy card Robbie glaze company by 375kg transparent glass-ceramics frit granule; fineness 100-200 order) add in the frit granule agglomerant of the 125kg that embodiment 6 prepares; mix homogeneously; obtain glass ceramics frit particle suspension liquid; glass ceramics frit granule solid content 75%; without visible bubble in bubble; flow velocity is 45.2s (30 DEG C; it is coated with-4 glasss); suspension is placed after 5 days still without lamination, it is seen that frit granule agglomerant of the present invention still has good stability after mixing with glass ceramics frit granule. Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on ground glaze layer 3 surface, the thickness controlling glass ceramics frit particle suspension liquid is 1mm;
Such as Fig. 1, the unfired brick structure prepared through step A, B, C includes green body layer 1, water-repellent layer 2, ground glaze layer 3 and glass ceramics frit particle suspension liquid layer 4, enters firing process.
E, burn till: sending into kiln kiln roasting, firing temperature is 1190 DEG C, firing period 130min; Burn till the thick finished product of crystallite glass composite plate with green body layer 1, ground glaze layer 3 and glass-ceramic layer 5 as shown in Figure 2.
F, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, two panels ceramic tile front is combined, what brick face was good is merged closely, and therefore finished product has good planarization, and surface is without macroscopic pin hole.
The suspension that this method prepares is 45.2s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 168.68mm2/s��
Preparation-the embodiment 7 of frit granule agglomerant
The preparation method of the present embodiment and embodiment 1 are basically identical, institute the difference is that, in the present embodiment, component and the ratio of employing are different. The component of every 100kg frit granule agglomerant: hydroxyethyl cellulose (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 6.2kg, White Carbon black 3.0kg, polymethyl siloxane 1.4kg, sodium hexameta phosphate 1.8kg, surplus is ethylene glycol.
A kind of preparation-embodiment 7-1 once grilling thoroughly bright crystallite glass composite plate
A kind of preparation method once grilling thoroughly bright crystallite glass composite plate, comprises the following steps:
A, base substrate punch forming: base substrate powder (fineness is 90 orders) and after micro powder material (fineness is 110 orders) layer-by-layer distribution, strike out the biscuit with end base layer and micropowder layer, wherein the thickness of micropowder layer is the 1/3 of end base layer thickness, dry;
B, one layer of water-repellent layer 2 of sprinkling: spray one layer of organosilicon moisture repellent in billet surface;
C, glazing stamp;
D, execute glass ceramics frit: (bought from Quincy card Robbie glaze company by 375kg transparent glass-ceramics frit granule; fineness 120-170 order) add in the frit granule agglomerant of the 125kg that embodiment 7 prepares; mix homogeneously; obtain glass ceramics frit particle suspension liquid; glass ceramics frit granule solid content 84%; without visible bubble in bubble; flow velocity is 44.4s (30 DEG C; it is coated with-4 glasss); suspension is placed after 5 days still without lamination, it is seen that frit granule agglomerant of the present invention still has good stability after mixing with glass ceramics frit granule. Being drenched in the way of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid on ground glaze layer 3 surface, the thickness controlling glass ceramics frit particle suspension liquid is 2.5mm;
Such as Fig. 1, the unfired brick structure prepared through step A, B, C includes green body layer 1, water-repellent layer 2, ground glaze layer 3 and glass ceramics frit particle suspension liquid layer 4, enters firing process.
E, burn till: sending into kiln kiln roasting, firing temperature is 1240 DEG C, firing period 105min; Burn till the thick finished product of crystallite glass composite plate with green body layer 1, ground glaze layer 3 and glass-ceramic layer 5 as shown in Figure 2
F, rubbing down are processed: processed by polished for goods cool down after burning till edging and obtain transparent glass-ceramics composite plate finished product, two panels ceramic tile front is combined, what brick face was good is merged closely, and therefore finished product has good planarization, and surface is without macroscopic pin hole.
The suspension that this method prepares is 44.4s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 170.31mm2/s��
In order to alleviate the stress difference between green body layer and glass-ceramic layer, in one embodiment of the invention, with the addition of mass fraction in ground-coat enamel is 0.2-0.5% metallic silicon power, and the particle diameter of metallic silicon power is less than or equal to 100 ��m. By adding metallic silicon power, the micro-pore of a lot of extra fine can be formed when burning till, this slightly pore add the elasticity of ground glaze layer, make it the stress difference better regulating between green body layer and glass-ceramic layer, Reducing distortion. Meanwhile, because ground glaze layer is under frit layer, after burning, it can be enclosed under glass-ceramic layer, on product antifouling property without impact. Crystallite glass composite plate prepared by this embodiment, because the defect of blank deformation is only 2% after sintering, lower than conventional 5%.
The know-why of the present invention is described above in association with specific embodiment. These descriptions are intended merely to explanation principles of the invention, and can not be construed to limiting the scope of the invention by any way. Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes fall within protection scope of the present invention.
Claims (9)
1. the unfired brick structure of an once-firing crystallite glass composite plate, described unfired brick structure includes green body layer, ground glaze layer and glass ceramics frit layer from bottom to top, it is characterized in that: be additionally provided with water-repellent layer between described green body layer and described ground glaze layer, described glass ceramics frit layer is that the crystallite frit particle suspension liquid being mixed into by glass ceramics frit granule and frit granule agglomerant imposes on green body layer surface and formed;
Described frit granule agglomerant includes the mass fraction of following components: cellulose thickener 5.5-6.5%, White Carbon black 2.5-3.2%, and defoamer is 1.1-1.4%, and dispersant is 1.2-1.8%, and surplus is solvent;
Containing mass fraction in described ground glaze layer is 0.2-0.5% metallic silicon power.
2. the unfired brick structure of once-firing crystallite glass composite plate according to claim 1, it is characterised in that: described water-repellent layer is one layer of hydrophober in described green body layer surface sprinkling, and described hydrophober is organosilicon moisture repellent.
3. the unfired brick structure of once-firing crystallite glass composite plate according to claim 1, it is characterised in that: the granular size of described glass ceramics frit is 100-200 order.
4. the unfired brick structure of once-firing crystallite glass composite plate according to claim 1, it is characterised in that: between the glass-ceramic layer that the dilation coefficient of described ground glaze layer is formed after described green body layer and described glass ceramics frit are melted.
5. the unfired brick structure of once-firing crystallite glass composite plate according to claim 1, it is characterised in that: the solid content of described crystallite frit particle suspension liquid is no less than 65%.
6. the unfired brick structure of once-firing crystallite glass composite plate according to claim 1, it is characterised in that: described cellulose thickener is at least one in hydroxyethyl cellulose, hydroxyethylmethyl-cellulose and hydroxypropyl methyl cellulose.
7. the unfired brick structure of once-firing crystallite glass composite plate according to claim 1, it is characterised in that: described dispersant is at least one in sodium polyacrylate, organic-silicon-modified sodium phosphate and sodium hexameta phosphate.
8. the unfired brick structure of once-firing crystallite glass composite plate according to claim 1, it is characterised in that: described defoamer is polymethyl siloxane.
9. the unfired brick structure of once-firing crystallite glass composite plate according to claim 1, it is characterised in that: described solvent is at least one in ethylene glycol and ethanol.
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| CN103030298A (en) * | 2012-12-31 | 2013-04-10 | 佛山欧神诺陶瓷股份有限公司 | Once-firing colored crystalline glass ceramic composite brick and production method |
| CN103922806A (en) * | 2014-04-03 | 2014-07-16 | 安徽溢彩玻璃器皿有限公司 | Ceramic wine bottle colored glaze and glaze spraying method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103030298A (en) * | 2012-12-31 | 2013-04-10 | 佛山欧神诺陶瓷股份有限公司 | Once-firing colored crystalline glass ceramic composite brick and production method |
| CN103922806A (en) * | 2014-04-03 | 2014-07-16 | 安徽溢彩玻璃器皿有限公司 | Ceramic wine bottle colored glaze and glaze spraying method |
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